Alt-Krotoschin was formerly part of the German Empire. In the German Empire, the place was called Alt Krotoschin.
The place is now called Krotoszyn Stary (Krotoszyn-Kr. Stary) and belongs to Poland.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Alt-Krotoschin | German Empire | Krotoschin | before the Versailles Treaty |
| Stary Krotoszyn | Poland | Krotoszyn | after the Versailles Treaty |
| Alt Krotoschin | German Empire | Krotoschin | 1939 |
| Krotoszyn Stary | Poland | Krotoszyn | 1945 |
| Krotoszyn Stary (Krotoszyn-Kr. Stary) | Poland | Kalisz | 1992 |